Add ability to set compression level

Fixes github issue #1382.

2 files changed, 10 insertions, 0 deletions

diff --git a/docs/API.md b/docs/API.md
index db43ec6..59b7cf1 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -69,6 +69,14 @@ protocol stream.
     Value `0` implies low quality and `9` implies high quality.
     Default value is `6`.
 
+`compressionLevel`
+  - Is an `int` in range `[0-9]` controlling the desired compression
+    level. Value `0` means no compression. Level 1 uses a minimum of CPU
+    resources and achieves weak compression ratios, while level 9 offers
+    best compression but is slow in terms of CPU consumption on the server
+    side. Use high levels with very slow network connections.
+    Default value is `2`.
+
 `capabilities` *Read only*
   - Is an `Object` indicating which optional extensions are available
     on the server. Some methods may only be called if the corresponding
diff --git a/docs/EMBEDDING.md b/docs/EMBEDDING.md
index 3f85f4b..6a5dcd8 100644
--- a/docs/EMBEDDING.md
+++ b/docs/EMBEDDING.md
@@ -63,6 +63,8 @@ query string. Currently the following options are available:
 
 * `quality` - The session JPEG quality level. Can be `0` to `9`.
 
+* `compression` - The session compression level. Can be `0` to `9`.
+
 * `show_dot` - If a dot cursor should be shown when the remote server provides
   no local cursor, or provides a fully-transparent (invisible) cursor.